// ==UserScript==
// @name         净化汽车之家论坛
// @namespace    https://gitee.com/miniknife/JingTanShiZhe
// @version      0.1
// @description  根据用户黑名单和内容关键字过滤帖子内容，还我干净的汽车之家论坛。
// @author       MiniKnife
// @match        *://club.autohome.com.cn/bbs/*
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    // 用户黑名单列表
    var USER_BLACKLIST = ['华尔街在哪', '青之十亩之外', '请把牛逼还给BYD', '榴莲汽车', '我最爱比亚迪', '黑车我矫情', 'loujilin', '我想玩火', 
    'lukenm', 'hjgailh', 'SS001869', '北京华彬', '范尼_雷克萨斯', '我祖先', '无聊的蝙蝠', 'LZYYF', 'eHudu', '龙行W风云'];

    // 帖子标题要过滤的关键字
    var TITLE_FILTER_KEYWORDS = ['雷克'];

    // 帖子回复内容要过滤的关键字
    var REPLY_FILTER_KEYWORDS = ['雷克', '本楼已被自动过滤系统删除', '本楼已被管理员删除'];

    function trimString(str) {
        if (str) {
            return str.trim();
        } else {
            return '';
        }
    }

    function listPosts() {
        var postList = [];
        $('#subcontent > dl.list_dl').each(function(i) {
            var postEle = $(this);
            var title = postEle.find('dt > a.a_topic').text();
            title = trimString(title);
            var author = postEle.find('dd:first > a').text();
            author = trimString(author);

            if (title && author) {
                postList.push({
                    title: title,
                    author: author,
                    jQElement: postEle
                });
            }
        });
        return postList;
    }

    function listReplies() {
        var replyList = [];
        $('#maxwrap-reply > div').each(function(i) {
            var replyEle = $(this);
            var content = replyEle.find('div.x-reply').text();
            content = trimString(content);
            var author = replyEle.find('div.conleft a[xname=uname]').text();
            author = trimString(author);
            var replyForAuthor = replyEle.find('div.x-reply div.relyhfcon > p:first > a:first').text();
            replyForAuthor = trimString(replyForAuthor);
            var replyForContent = replyEle.find('div.x-reply div.relyhfcon > p.rrlycontxt').text();
            replyForContent = trimString(replyForContent);

            if (content && author) {
                replyList.push({
                    content: content,
                    author: author,
                    replyForAuthor: replyForAuthor,
                    replyForContent: replyForContent,
                    jQElement: replyEle
                });
            }
        });
        return replyList;
    }

    function getAuthorBlacklist() {
        return USER_BLACKLIST;
    }

    function getTitleFilterKeywords() {
        return TITLE_FILTER_KEYWORDS;
    }

    function getContentFilterKeywords() {
        return REPLY_FILTER_KEYWORDS;
    }

    function filterByBlacklist(dataList, filterAttrName, filterBlacklist) {
        for (var i = 0; i < dataList.length; ++i) {
            var dataItem = dataList[i];
            var attrValue = dataItem[filterAttrName];
            if (attrValue && filterBlacklist.indexOf(attrValue) != -1) {
                console.log('hide value with ' + attrValue);
                dataItem['jQElement'].hide();
            }
        }
    }

    function filterByKeywords(dataList, filterAttrName, filterKeywords) {
        for (var i = 0; i < dataList.length; ++i) {
            var dataItem = dataList[i];
            var attrValue = dataItem[filterAttrName];
            if (attrValue) {
                for (var ki = 0; ki < filterKeywords.length; ++ki) {
                    var keywords = filterKeywords[ki];
                    if (attrValue.indexOf(keywords) != -1) {
                        console.log('hide value with ' + attrValue);
                        dataItem['jQElement'].hide();
                        break;
                    }
                }
            }
        }
    }

    function filterPosts() {
        var postList = listPosts();
        var authorBlacklist = getAuthorBlacklist();
        var titleFilterKeywords = getTitleFilterKeywords();
        filterByBlacklist(postList, 'author', authorBlacklist);
        filterByKeywords(postList, 'title', titleFilterKeywords);
    }

    function filterReplies() {
        var replyList = listReplies();
        var authorBlacklist = getAuthorBlacklist();
        var contentFilterKeywords = getContentFilterKeywords();
        filterByBlacklist(replyList, 'author', authorBlacklist);
        filterByBlacklist(replyList, 'replyForAuthor', authorBlacklist);
        filterByKeywords(replyList, 'content', contentFilterKeywords);
        filterByKeywords(replyList, 'replyForContent', contentFilterKeywords);
    }

    function filterAds() {
        $('div.navarea > ul').hide();
        $('div.area > dl').hide();
        $('#__recom').hide();
    }

    filterAds();
    filterPosts();
    filterReplies();

})();